Fabrication of SiC Fiber-SiC Matrix Composites by Reaction Sintering

被引：0

作者：

Lim, Kwang-Young ^{[1
]}

Kim, Young-Wook ^{[1
]}

Park, Ji Yeon ^{[2
]}

机构：

[1] Univ Seoul, Dept Mat Sci & Engn, Seoul 130743, South Korea

[2] Korea Atom Energy Res Inst, Div Nucl Mat Technol Dev, Daejon 305353, South Korea

来源：

JOURNAL OF THE KOREAN CERAMIC SOCIETY | 2008年 / 45卷 / 04期

关键词：

Fiber composites; Silicon carbide; Reaction sintering; Strength;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper presents a new process for producing SiC fiber-SiC matrix (SiC/SiC) composites by reaction sintering. The processing strategy for the fabrication of the SiC/SiC composites involves the following: (1) infiltration of the SiC fiber fabric using a slurry consisting of Si and C precursors, (2) stacking the slurry-infiltrated SiC fiber fabric at room temperature, (3) cross-linking the stacked composites, (4) pyrolysis of the stacked composites, and (5) hot-pressing of the pyrolyzed composites. It was possible to obtain dense SiC/SiC composites with relative densities of >96% and a typical flexural strength of similar to 400 MPa.

引用

页码：204 / 207

页数：4

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